Retainer vs Ursala the Mourner

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Retainer	Dark Elves	Void	Defence	Rare	Defence 19% Place: Crypts
Ursala the Mourner	Banner Lords	Void	Support	Epic	Speed 24% Place: Doom tower

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Retainer	60	6	16185	672	1277	93	15	50	40	0
Ursala the Mourner	60	6	18000 +1815	1167 +495	936 -341	102 +9	15	50	30 -10	15 +15

Retainer	Sundering Chop Formula: 3.2*DEF Attacks 1 enemy. Has a 40% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Decrease DEF 30%	Resolute Stance Formula: 0.4*HP Heals this Champion by 40% of their MAX HP and places a [Counterattack] buff on this Champion for 2 turns. Cooldown: 4 Counterattack	Hypnotize Formula: 4.7DEF Formula: 0.5MAX_STAMINA Attacks 1 enemy. Decreases the target's Turn Meter by 50%. If the target's Turn Meter is fully depleted, places a [Sleep] debuff on them for 1 turn. Cooldown: 5 Sleep
Ursala the Mourner	Lance of Penitence Formula: 3.4ATK Formula: 0.1MAX_STAMINA Attacks 1 enemy. Has a 40% chance of decreasing the target's Turn Meter by 10%.	Waves of Grief Formula: 3.2*ATK Attacks all enemies. Has a 75% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Also places a 50% [Increase ATK] buff on all allies for 2 turns. Cooldown: 4 Increase ATK 50% Decrease ATK 50%	Requiem Formula: 0.75TRG_HP Formula: 0.5MAX_STAMINA Revives all dead allies with 75% HP, then fills their Turn Meters by 50%. Also places a 60% [Increase DEF] buff and a 25% [Strengthen] buff on all allies for 3 turns. Cooldown: 6 Strengthen Increase DEF 60%